Light Test Review

The fact that light can exert a pressure ("push") on matter suggests it is made of particles called __________.

• electrons

• photons

• Nuclei

• Protons

The existence of the electromagnetic spectrum best support the movement of light as a _____.

• wave

• quantum

• plates

• all of the above

The energy of a photon is related to its __________.

• Speed

• Wavelength

• Mass

• Density

The change in wavelength related to an energy source moving away or toward the receiver is explained by the ________.

• motion effect

• Doppler effect

• Power effect

• pitch effect

What is the source of the Sun's energy?

• Nuclear fission

• Nuclear fusion

• Combustion

• Radiation pressure

Which explains wavelength?

• forms of electromagnetic radiation

• the number of waves that pass a point during 1 second

• distance from one wave crest to the next

• particles exerting a force on matter

Which light has the shortest wavelength?

• Gamma rays

• X-rays

• Microwave

• Ultraviolet rays

In the visible light spectrum, which color has the longest wavelength?

• orange

• green

• violet

• red

Which type of spectrum is this image?

• continuous spectrum

• emission line spectrum

• absorption line spectrum

Which type of spectrum is seen in the image?

• Continuous

• Emission line

• Absorption line